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Date:   Tue, 15 Jan 2019 21:02:31 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Ryder Lee <ryder.lee@...iatek.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...nel.org>,
        Weijie Gao <weijie.gao@...iatek.com>,
        linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 3/5] arm64: dts: mt7622: add a property
 "mediatek,num-pwms" for PWM

Hello,

On Mon, Jan 14, 2019 at 04:21:22PM +0800, Ryder Lee wrote:
> This adds a property "mediatek,num-pwms" for PWM controller.
> 
> Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt7622.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> index 8fc4aa7..ab016cf 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> @@ -436,6 +436,7 @@
>  			 <&pericfg CLK_PERI_PWM6_PD>;
>  		clock-names = "top", "main", "pwm1", "pwm2", "pwm3", "pwm4",
>  			      "pwm5", "pwm6";
> +		mediatek,num-pwms = <6>;
>  		status = "disabled";

Conceptually this patch must go in before the change to the driver.
Otherwise the pwms are not usable with only patch 1 applied which breaks
bisectability.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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